This powerful, acid-based cleaner is a proven way to deep clean and remove a wide variety of stains from gelcoat. Typical uses include removal of waterline rust and scum stains. Do not use on aluminum or painted surfaces. For fiberglass only.
- Removes rust stains and waterline scum
- Brush-on/rinse-off, biodegradable formula
- Will not harm fiberglass, gelcoats
- Works instantly to remove the toughest waterline stains